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- /*---------------------------------------------------------------------------------------------
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for license information.
- *--------------------------------------------------------------------------------------------*/
- import { createFastDomNode } from '../../../base/browser/fastDomNode.js';
- import { Configuration } from '../config/configuration.js';
- import { VisibleLinesCollection } from './viewLayer.js';
- import { ViewPart } from './viewPart.js';
- export class ViewOverlays extends ViewPart {
- constructor(context) {
- super(context);
- this._visibleLines = new VisibleLinesCollection(this);
- this.domNode = this._visibleLines.domNode;
- this._dynamicOverlays = [];
- this._isFocused = false;
- this.domNode.setClassName('view-overlays');
- }
- shouldRender() {
- if (super.shouldRender()) {
- return true;
- }
- for (let i = 0, len = this._dynamicOverlays.length; i < len; i++) {
- const dynamicOverlay = this._dynamicOverlays[i];
- if (dynamicOverlay.shouldRender()) {
- return true;
- }
- }
- return false;
- }
- dispose() {
- super.dispose();
- for (let i = 0, len = this._dynamicOverlays.length; i < len; i++) {
- const dynamicOverlay = this._dynamicOverlays[i];
- dynamicOverlay.dispose();
- }
- this._dynamicOverlays = [];
- }
- getDomNode() {
- return this.domNode;
- }
- // ---- begin IVisibleLinesHost
- createVisibleLine() {
- return new ViewOverlayLine(this._context.configuration, this._dynamicOverlays);
- }
- // ---- end IVisibleLinesHost
- addDynamicOverlay(overlay) {
- this._dynamicOverlays.push(overlay);
- }
- // ----- event handlers
- onConfigurationChanged(e) {
- this._visibleLines.onConfigurationChanged(e);
- const startLineNumber = this._visibleLines.getStartLineNumber();
- const endLineNumber = this._visibleLines.getEndLineNumber();
- for (let lineNumber = startLineNumber; lineNumber <= endLineNumber; lineNumber++) {
- const line = this._visibleLines.getVisibleLine(lineNumber);
- line.onConfigurationChanged(e);
- }
- return true;
- }
- onFlushed(e) {
- return this._visibleLines.onFlushed(e);
- }
- onFocusChanged(e) {
- this._isFocused = e.isFocused;
- return true;
- }
- onLinesChanged(e) {
- return this._visibleLines.onLinesChanged(e);
- }
- onLinesDeleted(e) {
- return this._visibleLines.onLinesDeleted(e);
- }
- onLinesInserted(e) {
- return this._visibleLines.onLinesInserted(e);
- }
- onScrollChanged(e) {
- return this._visibleLines.onScrollChanged(e) || true;
- }
- onTokensChanged(e) {
- return this._visibleLines.onTokensChanged(e);
- }
- onZonesChanged(e) {
- return this._visibleLines.onZonesChanged(e);
- }
- // ----- end event handlers
- prepareRender(ctx) {
- const toRender = this._dynamicOverlays.filter(overlay => overlay.shouldRender());
- for (let i = 0, len = toRender.length; i < len; i++) {
- const dynamicOverlay = toRender[i];
- dynamicOverlay.prepareRender(ctx);
- dynamicOverlay.onDidRender();
- }
- }
- render(ctx) {
- // Overwriting to bypass `shouldRender` flag
- this._viewOverlaysRender(ctx);
- this.domNode.toggleClassName('focused', this._isFocused);
- }
- _viewOverlaysRender(ctx) {
- this._visibleLines.renderLines(ctx.viewportData);
- }
- }
- export class ViewOverlayLine {
- constructor(configuration, dynamicOverlays) {
- this._configuration = configuration;
- this._lineHeight = this._configuration.options.get(58 /* lineHeight */);
- this._dynamicOverlays = dynamicOverlays;
- this._domNode = null;
- this._renderedContent = null;
- }
- getDomNode() {
- if (!this._domNode) {
- return null;
- }
- return this._domNode.domNode;
- }
- setDomNode(domNode) {
- this._domNode = createFastDomNode(domNode);
- }
- onContentChanged() {
- // Nothing
- }
- onTokensChanged() {
- // Nothing
- }
- onConfigurationChanged(e) {
- this._lineHeight = this._configuration.options.get(58 /* lineHeight */);
- }
- renderLine(lineNumber, deltaTop, viewportData, sb) {
- let result = '';
- for (let i = 0, len = this._dynamicOverlays.length; i < len; i++) {
- const dynamicOverlay = this._dynamicOverlays[i];
- result += dynamicOverlay.render(viewportData.startLineNumber, lineNumber);
- }
- if (this._renderedContent === result) {
- // No rendering needed
- return false;
- }
- this._renderedContent = result;
- sb.appendASCIIString('<div style="position:absolute;top:');
- sb.appendASCIIString(String(deltaTop));
- sb.appendASCIIString('px;width:100%;height:');
- sb.appendASCIIString(String(this._lineHeight));
- sb.appendASCIIString('px;">');
- sb.appendASCIIString(result);
- sb.appendASCIIString('</div>');
- return true;
- }
- layoutLine(lineNumber, deltaTop) {
- if (this._domNode) {
- this._domNode.setTop(deltaTop);
- this._domNode.setHeight(this._lineHeight);
- }
- }
- }
- export class ContentViewOverlays extends ViewOverlays {
- constructor(context) {
- super(context);
- const options = this._context.configuration.options;
- const layoutInfo = options.get(130 /* layoutInfo */);
- this._contentWidth = layoutInfo.contentWidth;
- this.domNode.setHeight(0);
- }
- // --- begin event handlers
- onConfigurationChanged(e) {
- const options = this._context.configuration.options;
- const layoutInfo = options.get(130 /* layoutInfo */);
- this._contentWidth = layoutInfo.contentWidth;
- return super.onConfigurationChanged(e) || true;
- }
- onScrollChanged(e) {
- return super.onScrollChanged(e) || e.scrollWidthChanged;
- }
- // --- end event handlers
- _viewOverlaysRender(ctx) {
- super._viewOverlaysRender(ctx);
- this.domNode.setWidth(Math.max(ctx.scrollWidth, this._contentWidth));
- }
- }
- export class MarginViewOverlays extends ViewOverlays {
- constructor(context) {
- super(context);
- const options = this._context.configuration.options;
- const layoutInfo = options.get(130 /* layoutInfo */);
- this._contentLeft = layoutInfo.contentLeft;
- this.domNode.setClassName('margin-view-overlays');
- this.domNode.setWidth(1);
- Configuration.applyFontInfo(this.domNode, options.get(43 /* fontInfo */));
- }
- onConfigurationChanged(e) {
- const options = this._context.configuration.options;
- Configuration.applyFontInfo(this.domNode, options.get(43 /* fontInfo */));
- const layoutInfo = options.get(130 /* layoutInfo */);
- this._contentLeft = layoutInfo.contentLeft;
- return super.onConfigurationChanged(e) || true;
- }
- onScrollChanged(e) {
- return super.onScrollChanged(e) || e.scrollHeightChanged;
- }
- _viewOverlaysRender(ctx) {
- super._viewOverlaysRender(ctx);
- const height = Math.min(ctx.scrollHeight, 1000000);
- this.domNode.setHeight(height);
- this.domNode.setWidth(this._contentLeft);
- }
- }
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